Langer's Sudoku Assistant

3
1
6
8
9
5
4
2
7
9
4
5
7
3
2
6
8
1
7
2
8
4
6
1
9
5
3
7
6
3
5
4
2
1
8
9
2
5
4
8
1
9
3
7
6
1
8
9
6
3
7
5
4
2
9
5
1
2
3
4
6
7
8
4
2
8
1
6
7
5
9
3
3
7
6
8
9
5
2
1
4

 

Start Over

Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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